Question

What is the diameter of a circle whose radius is 4?

Answer 1

Answer:

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Step-by-step explanation:

Circle

Solve for diameter

d=8

r Radius

4

Unit Conversion:

Solution

d=2r=2·4=8

Answer 2

Answer:

$given \\ radius \: 4cm \\diameter \: = 2 \times radius \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 2 \times 4 \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 8cm \:$

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